Pro C901 SC412

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  • DanaNL
    Technician
    • Nov 2016
    • 25
    #1

    Pro C901 SC412

    Hello,
    hope u all had a good new years evening.

    I have a Ricoh Pro C901 but somehow i cannot find the potential sensor in the PartsCatalog.

    the machine gives SC-412 any solution would be apreciate it.


    thanks in advance,
    Tags: None
    • totoro
      Senior Tech

      Site Contributor
      500+ Posts
      • Apr 2008
      • 568
      #2
      Re: Pro C901 SC412

      From the service manual
      sc 412 D ID sensor error: Development gamma M

      Development gamma for black, magenta, cyan, or yellow is not
      within range (0.3 to 6.0). Process control halts when this SC is
      issued.
      ID/ MUSIC sensor shutter defective
      LD sensor harness loose, broken, defective

      LD unit not firing
      CGB HVPS harness loose, broken, defective
      CGB HVPS defective
      Developer worn

      Check the result of process control with SP3-821-001.
      Result code: 55 or 59
      Replace the developer.
      Result code: 56
      1. Clean the dust shield glass of the LD unit.
      2. Replace the CGB HVPS.
      Result code: 61
      1. Check the harness connection to the LD unit.
      2. Replace the LD unit.

      from parts manual frame section 2

      G178 2549 Electric Potential Sensor

      from GG June 2016

      SC 412 ID sensor error M - ID/MUSIC sensor shutter defective
      SC 412 ID sensor error M - ID/MUSIC sensor defective
      SC 412 ID sensor error M - CGB power pack defective

      Happy New Year to you and hope that helps.
      Totoro

        Comment

        • DanaNL
          Technician
          • Nov 2016
          • 25
          #3
          Re: Pro C901 SC412

          Thank you verry much!

            Comment

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